Perform row operations on the augmented matrix as far as necessary to determine whether the system is independent, dependent, or inconsistent. x + y + z = -4 x - y + 2z = -64x + 4y + 4z = -13
A. Independent
B. Dependent
C. Inconsistent
Answer: C
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Provide an appropriate response.If 
converges, what can be said about 
, where k is an integer greater than 1?
A. The series always diverges. B. The series may converge or diverge. C. The series always converges.
Represent each of the following situations with a signed number.The stock market average experienced a 26-point loss in one day.
A. +26 B. -26
Find the slope of the line.A line parallel to the graph of y - 4 = 6
A. Undefined B. 0 C. 6 D. 4
Solve the problem.The quadratic function 
models the median, or average, age, y, at which U.S. men were first married x years after 1900. In which year was this average age at a minimum? (Round to the nearest year.) What was the average age at first marriage for that year? (Round to the nearest tenth.)
A. 1953, 36 years old B. 1936, 51.7 years old C. 1965, 51.7 years old D. 1965, 21 years old